CN111945459A - High-strength anti-breaking corrugated paper and processing technology thereof - Google Patents
High-strength anti-breaking corrugated paper and processing technology thereof Download PDFInfo
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- CN111945459A CN111945459A CN202010870165.XA CN202010870165A CN111945459A CN 111945459 A CN111945459 A CN 111945459A CN 202010870165 A CN202010870165 A CN 202010870165A CN 111945459 A CN111945459 A CN 111945459A
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- 238000012545 processing Methods 0.000 title claims abstract description 21
- 238000005516 engineering process Methods 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 239000002002 slurry Substances 0.000 claims abstract description 30
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 29
- 239000003899 bactericide agent Substances 0.000 claims abstract description 28
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 26
- 239000012744 reinforcing agent Substances 0.000 claims abstract description 26
- 239000005871 repellent Substances 0.000 claims abstract description 26
- 230000002940 repellent Effects 0.000 claims abstract description 26
- 229920002472 Starch Polymers 0.000 claims abstract description 24
- 238000004513 sizing Methods 0.000 claims abstract description 24
- 239000008107 starch Substances 0.000 claims abstract description 24
- 235000019698 starch Nutrition 0.000 claims abstract description 24
- 125000002091 cationic group Chemical group 0.000 claims abstract description 23
- 229920001131 Pulp (paper) Polymers 0.000 claims abstract description 22
- 239000010902 straw Substances 0.000 claims abstract description 21
- 239000000126 substance Substances 0.000 claims abstract description 21
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 19
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 19
- 238000012216 screening Methods 0.000 claims abstract description 16
- 239000002893 slag Substances 0.000 claims abstract description 16
- 239000000835 fiber Substances 0.000 claims abstract description 9
- 229920000877 Melamine resin Polymers 0.000 claims abstract description 8
- 229920002401 polyacrylamide Polymers 0.000 claims abstract description 8
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims abstract description 7
- 238000005303 weighing Methods 0.000 claims abstract description 7
- 239000000123 paper Substances 0.000 claims description 160
- 238000000034 method Methods 0.000 claims description 30
- 230000008569 process Effects 0.000 claims description 27
- 238000003490 calendering Methods 0.000 claims description 15
- 238000001035 drying Methods 0.000 claims description 15
- 230000002421 anti-septic effect Effects 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 10
- 230000009471 action Effects 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 6
- 239000013055 pulp slurry Substances 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 6
- 238000007664 blowing Methods 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 5
- 239000004615 ingredient Substances 0.000 claims description 5
- 238000004806 packaging method and process Methods 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 5
- 230000000704 physical effect Effects 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 3
- 150000001768 cations Chemical class 0.000 claims 1
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 229920002678 cellulose Polymers 0.000 description 11
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- 238000004519 manufacturing process Methods 0.000 description 6
- 239000002131 composite material Substances 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011087 paperboard Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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Classifications
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/02—Chemical or chemomechanical or chemothermomechanical pulp
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D1/00—Methods of beating or refining; Beaters of the Hollander type
- D21D1/02—Methods of beating; Beaters of the Hollander type
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/12—Pulp from non-woody plants or crops, e.g. cotton, flax, straw, bagasse
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/28—Starch
- D21H17/29—Starch cationic
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/36—Polyalkenyalcohols; Polyalkenylethers; Polyalkenylesters
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/47—Condensation polymers of aldehydes or ketones
- D21H17/49—Condensation polymers of aldehydes or ketones with compounds containing hydrogen bound to nitrogen
- D21H17/51—Triazines, e.g. melamine
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/16—Sizing or water-repelling agents
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/18—Reinforcing agents
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/36—Biocidal agents, e.g. fungicidal, bactericidal, insecticidal agents
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- General Chemical & Material Sciences (AREA)
- Paper (AREA)
Abstract
The invention discloses a high-strength anti-breaking corrugated paper and a processing technology thereof, and the formula comprises: 80-100 parts of straw pulp board, 30-40 parts of chemical wood pulp board, 10-20 parts of polyvinyl alcohol, 10-15 parts of cationic surface sizing starch, 5-10 parts of anticorrosive bactericide, 1-5 parts of water repellent agent and 1-5 parts of reinforcing agent, and the processing technology of the high-strength anti-breakage corrugated paper comprises the following steps of firstly, proportioning and weighing; step two, crushing the pulp board; step three, defibering; step four, removing slag from the slurry; screening the slurry; step six, pulp flow treatment; step seven, dewatering to form paper; according to the corrugated paper, the water resistance and the corrosion resistance of the corrugated paper are improved by adding the cetyl trimethyl ammonium bromide and the melamine formaldehyde resin, the strength of the corrugated paper is improved by adding the polyacrylamide, the environmental pollution is favorably reduced by adding the cationic surface sizing starch, the pulp is further defibered and decomposed by the fiber defibering machine, and the economy of the corrugated paper is favorably improved.
Description
Technical Field
The invention relates to the technical field of corrugated paper processing, in particular to high-strength anti-breaking corrugated paper and a processing technology thereof.
Background
Corrugated paper is a plate-like object formed by bonding liner paper and corrugated paper formed by processing with a corrugating roll, and is generally classified into single corrugated board and double corrugated board.
The corrugated paper has the advantages of low cost, light weight, easy processing and convenient storage, and the application prospect is wide, the corrugated paper can be used as the package of food or digital products, so the production of the corrugated paper with high strength and breakage resistance is very important, the sewage discharged in the production process of the corrugated paper on the market at present contains a large amount of cellulose and impurities, the discharge can cause great damage to the environment, meanwhile, the waterproof and mildew-proof effects of the corrugated paper on the market at present are poor, the corrugated paper is wetted by water and easy to mildew, the quality of the corrugated paper is greatly reduced, the cellulose of paper pulp is not thoroughly dissociated in the production process of the corrugated paper, the waste of the cellulose is caused, and the cost is increased.
Disclosure of Invention
The invention aims to provide high-strength anti-breakage corrugated paper and a processing technology thereof, and aims to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the formula of the high-strength anti-breaking corrugated paper comprises: the composite board comprises a straw pulp board, a chemical wood pulp board, polyvinyl alcohol, cationic surface sizing starch, an anticorrosive bactericide, a water repellent agent and a reinforcing agent, wherein the weight parts of the components are as follows: 80-100 parts of straw pulp board, 30-40 parts of chemical wood pulp board, 10-20 parts of polyvinyl alcohol, 10-15 parts of cationic surface sizing starch, 5-10 parts of antiseptic bactericide, 1-5 parts of water repellent agent and 1-5 parts of reinforcing agent.
A processing technology of high-strength anti-breaking corrugated paper comprises the following steps of firstly, weighing ingredients; step two, crushing the pulp board; step three, defibering; step four, removing slag from the slurry; screening the slurry; step six, pulp flow treatment; step seven, dewatering to form paper; step eight, squeezing the wet paper; step nine, surface coating; step ten, drying the wet paper; step eleven, calendering the paper; step twelve, paper is reeled; thirteen, pressing and corrugating the base paper; step fourteen, cutting by a thin cutter; step fifteen, packaging and warehousing;
in the first step, 80-100 parts of straw pulp board, 30-40 parts of chemical wood pulp board, 10-20 parts of polyvinyl alcohol, 10-15 parts of cationic surface sizing starch, 5-10 parts of antiseptic bactericide, 1-5 parts of water repellent agent and 1-5 parts of reinforcing agent are respectively weighed according to the weight parts of the components;
in the second step, 80-100 parts of the straw pulp board and 30-40 parts of the chemical wood pulp board weighed in the first step are placed into a pulper to be crushed, and water is continuously added to dilute the pulp in the crushing process until the concentration of the pulp reaches 14-18%;
in the third step, adding water to dilute the pulp slurry crushed in the second step to 2.5-3.5%, then putting the diluted pulp slurry into a defibering and defibering machine to defiber and separate fibers, and continuously adding water to dilute the pulp slurry in the working process until the concentration reaches 1.5-2.0%;
in the fourth step, the slurry after the defibering and decomposing in the third step is pumped into a conical slag remover to remove large impurities in the slurry;
in the fifth step, the pulp from which the slag is removed in the fourth step is pumped into a pressure sieve for screening, and the residue pulp is removed to obtain good pulp with better physical properties;
in the sixth step, the good pulp obtained after screening in the fifth step is pumped into a pulp flow box, at the moment, 5-10 parts of antiseptic bactericide and 10-15 parts of cationic surface sizing starch are added into the pulp liquid, and the pulp flow box uniformly and stably distributes pulp along the full width of the cross web of the paper machine;
in the seventh step, the slurry uniformly distributed in the sixth step is conveyed into a net part through a roller, and a wet paper sheet is formed under the action of gravity, vacuum suction and a scraper;
in the eighth step, the wet paper sheet manufactured in the seventh step is conveyed to a groove press roll, and water is further removed through pressing;
in the ninth step, the wet paper sheet in the eighth step is transported to a coating machine, and 1-5 parts of water repellent agent and 1-5 parts of reinforcing agent are uniformly sprayed on two sides of the wet paper sheet;
in the tenth step, the paper sprayed in the ninth step is conveyed to a drying part, and the paper is dried to standard moisture by blowing hot air until the whole moisture is uniform and the longitudinal moisture is continuous and stable;
in the eleventh step, the paper dried in the tenth step is conveyed to a calender for surface calendering;
in the twelfth step, the paper calendered in the eleventh step is rolled into paper rolls with uniform size through a winder;
in the third step, the paper roll finished in the twelfth step is put on a single-sided corrugating machine, the corrugated base paper is heated to 160-;
in the fourteenth step, the corrugated paper made in the thirteenth step is conveyed to a computer thin knife splitting machine, and the corrugated paper is split into boards with uniform sizes;
and fifthly, packing the corrugated paper cut in the fourteenth step and then putting the corrugated paper into a warehouse for storage.
According to the technical scheme, the anticorrosive bactericide is cetyl trimethyl ammonium bromide, the water repellent agent is melamine formaldehyde resin, and the reinforcing agent is polyacrylamide.
According to the above technical scheme, in the second step, the pulper is a drum pulper, the crushing time is 10-20min, and the rotating speed is 500-.
According to the above technical scheme, in the third step, the rotation speed of the defibrator is 2800 and 3000 r/min.
According to the technical scheme, in the sixth step, the head box is an air-cushion type double-homogenate-roller head box, and the working speed is 150-.
According to the technical scheme, in the seventh step, the net part is a fourdrinier former, the rotating speed of the roller of the net part is 80-100r/min, and the vacuum degree of a vacuum chamber of the fourdrinier former is 55-75 kPa.
According to the technical scheme, in the eighth step, the rotating speed of the corrugated press roll is 250-300 r/min.
According to the technical scheme, in the tenth step, the temperature of the drying part is 75-90 ℃, and the pressure of air supply is 3.90-4.88 kPa.
According to the technical scheme, in the thirteen steps, the single-sided corrugating machine is a non-paste fork type external suction vacuum single-sided machine.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the corrugated paper, the water resistance and the corrosion resistance of the corrugated paper are improved by adding the cetyl trimethyl ammonium bromide and the melamine formaldehyde resin, the condition that the corrugated paper is mildewed and damaged by rainwater is reduced, and the strength of the corrugated paper is improved by adding the polyacrylamide.
2. The cationic surface sizing starch is added, so that the viscosity among cellulose is increased, the content of the cellulose in discharged sewage is reduced, the environmental pollution is reduced, and the environmental protection of the corrugated paper is improved.
3. The pulp is further defibered and decomposed by the defibering machine, so that the content of cellulose in the pulp is improved, the waste of the cellulose is avoided, and the economical efficiency of the corrugated paper is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a process flow diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution:
example 1:
the formula of the high-strength anti-breaking corrugated paper comprises: the composite board comprises a straw pulp board, a chemical wood pulp board, polyvinyl alcohol, cationic surface sizing starch, an anticorrosive bactericide, a water repellent agent and a reinforcing agent, wherein the weight parts of the components are as follows: 80-100 parts of straw pulp board, 30-40 parts of chemical wood pulp board, 10-20 parts of polyvinyl alcohol, 10-15 parts of cationic surface sizing starch, 5-10 parts of anticorrosive bactericide, 1-5 parts of water repellent agent and 1-5 parts of reinforcing agent, wherein the anticorrosive bactericide is cetyl trimethyl ammonium bromide, the water repellent agent is melamine formaldehyde resin, and the reinforcing agent is polyacrylamide.
A processing technology of high-strength anti-breaking corrugated paper comprises the following steps of firstly, weighing ingredients; step two, crushing the pulp board; step three, defibering; step four, removing slag from the slurry; screening the slurry; step six, pulp flow treatment; step seven, dewatering to form paper; step eight, squeezing the wet paper; step nine, surface coating; step ten, drying the wet paper; step eleven, calendering the paper; step twelve, paper is reeled; thirteen, pressing and corrugating the base paper; step fourteen, cutting by a thin cutter; step fifteen, packaging and warehousing;
in the first step, 100 parts of straw pulp board, 40 parts of chemical wood pulp board, 20 parts of polyvinyl alcohol, 15 parts of cationic surface sizing starch, 10 parts of antiseptic bactericide, 5 parts of water repellent agent and 5 parts of reinforcing agent are respectively weighed according to the weight parts of the components;
in the second step, 100 parts of the straw pulp board and 40 parts of the chemical wood pulp board weighed in the first step are placed into a pulper for crushing, the pulper is a drum pulper, the crushing time is 10-20min, the rotating speed is 500-700r/min, and water is continuously added in the crushing process to dilute the pulp until the concentration of the pulp reaches 14-18%;
wherein in the third step, the concentration of the slurry crushed in the second step is diluted to 2.5-3.5% by adding water, then the diluted slurry is put into a defiberizing machine for defiberizing and separating fibers, the rotating speed of the defiberizing machine is 2800-3000r/min, and water is continuously added for dilution in the working process until the concentration reaches 1.5-2.0%;
in the fourth step, the slurry after the defibering and decomposing in the third step is pumped into a conical slag remover to remove impurities in the slurry;
in the fifth step, the pulp from which the slag is removed in the fourth step is pumped into a pressure sieve for screening, and the residue pulp is removed to obtain good pulp with better physical properties;
in the sixth step, the good pulp obtained after screening in the fifth step is pumped into a head box, the head box is an air cushion type double-homogenizing roller head box, the working speed is 150-220r/min, at the moment, 10 parts of anticorrosive bactericide and 15 parts of cationic surface sizing starch are added into the pulp, and the head box uniformly and stably distributes pulp along the full width of the cross web of the paper machine;
in the seventh step, the pulp uniformly distributed in the sixth step is conveyed into a net part through a roller, and a wet paper sheet is formed under the action of gravity, vacuum suction and a scraper, wherein the net part is a fourdrinier former, the rotating speed of a roller of the net part is 80-100r/min, and the vacuum degree of a vacuum chamber of the fourdrinier former is 55-75 kPa;
in the eighth step, the wet paper sheet manufactured in the seventh step is conveyed to a groove press roll, the rotating speed of the groove press roll is 250-300r/min, and water is further removed through pressing;
in the ninth step, the wet paper sheet in the eighth step is transported to a coating machine, and 5 parts of water repellent agent and 5 parts of reinforcing agent are uniformly sprayed on two sides of the wet paper sheet;
in the tenth step, the paper sprayed in the ninth step is conveyed to a drying part, and the paper is dried to standard moisture by blowing hot air, wherein the temperature of the drying part is 75-90 ℃, and the pressure of the air supply is 3.90-4.88kPa until the whole moisture is uniform, and the longitudinal moisture is continuous and stable;
in the eleventh step, the paper dried in the tenth step is conveyed to a calender for surface calendering;
in the twelfth step, the paper calendered in the eleventh step is rolled into paper rolls with uniform size through a winder;
in the third step, the paper roll completed in the twelfth step is loaded on a single-sided corrugating machine, the single-sided corrugating machine is a non-paste fork type external vacuum absorption single-sided machine, the corrugated base paper is heated to the temperature of 160-180 ℃ to be pressed into corrugations, and then the corrugations and the liner paper are bonded by using 20 parts of polyvinyl alcohol to manufacture corrugated paper;
in the fourteenth step, the corrugated paper made in the thirteenth step is conveyed to a computer thin knife splitting machine, and the corrugated paper is split into boards with uniform sizes;
and fifthly, packing the corrugated paper cut in the fourteenth step and then putting the corrugated paper into a warehouse for storage.
Example 2:
the formula of the high-strength anti-breaking corrugated paper comprises: the composite board comprises a straw pulp board, a chemical wood pulp board, polyvinyl alcohol, cationic surface sizing starch, an anticorrosive bactericide, a water repellent agent and a reinforcing agent, wherein the weight parts of the components are as follows: 80-100 parts of straw pulp board, 30-40 parts of chemical wood pulp board, 10-20 parts of polyvinyl alcohol, 10-15 parts of cationic surface sizing starch, 5-10 parts of anticorrosive bactericide, 1-5 parts of water repellent agent and 1-5 parts of reinforcing agent, wherein the anticorrosive bactericide is cetyl trimethyl ammonium bromide, the water repellent agent is melamine formaldehyde resin, and the reinforcing agent is polyacrylamide.
A processing technology of high-strength anti-breaking corrugated paper comprises the following steps of firstly, weighing ingredients; step two, crushing the pulp board; step three, defibering; step four, removing slag from the slurry; screening the slurry; step six, pulp flow treatment; step seven, dewatering to form paper; step eight, squeezing the wet paper; step nine, surface coating; step ten, drying the wet paper; step eleven, calendering the paper; step twelve, paper is reeled; thirteen, pressing and corrugating the base paper; step fourteen, cutting by a thin cutter; step fifteen, packaging and warehousing;
in the first step, 80-parts of straw pulp board, 30 parts of chemical wood pulp board, 20 parts of polyvinyl alcohol, 10 parts of cationic surface sizing starch, 5 parts of antiseptic bactericide, 1 part of water repellent agent and 1 part of reinforcing agent are respectively weighed according to the weight parts of the components;
in the second step, 80 parts of the straw pulp board and 30 parts of the chemical wood pulp board weighed in the first step are placed into a pulper for crushing, the pulper is a drum pulper, the crushing time is 10-20min, the rotating speed is 500-700r/min, and water is continuously added in the crushing process to dilute the pulp until the concentration of the pulp reaches 14-18%;
wherein in the third step, the concentration of the slurry crushed in the second step is diluted to 2.5-3.5% by adding water, then the diluted slurry is put into a defiberizing machine for defiberizing and separating fibers, the rotating speed of the defiberizing machine is 2800-3000r/min, and water is continuously added for dilution in the working process until the concentration reaches 1.5-2.0%;
in the fourth step, the slurry after the defibering and decomposing in the third step is pumped into a conical slag remover to remove impurities in the slurry;
in the fifth step, the pulp from which the slag is removed in the fourth step is pumped into a pressure sieve for screening, and the residue pulp is removed to obtain good pulp with better physical properties;
in the sixth step, the good pulp obtained after screening in the fifth step is pumped into a head box, the head box is an air cushion type double uniform pulp roller head box, the working speed is 150-220r/min, at the moment, 5 parts of antiseptic bactericide and 10 parts of cationic surface sizing starch are added into the pulp liquid, and the head box uniformly and stably distributes pulp along the whole width of the cross web of the paper machine;
in the seventh step, the pulp uniformly distributed in the sixth step is conveyed into a net part through a roller, and a wet paper sheet is formed under the action of gravity, vacuum suction and a scraper, wherein the net part is a fourdrinier former, the rotating speed of a roller of the net part is 80-100r/min, and the vacuum degree of a vacuum chamber of the fourdrinier former is 55-75 kPa;
in the eighth step, the wet paper sheet manufactured in the seventh step is conveyed to a groove press roll, the rotating speed of the groove press roll is 250-300r/min, and water is further removed through pressing;
in the ninth step, the wet paper sheet in the eighth step is transported to a coating machine, and 1 part of water repellent agent and 1 part of reinforcing agent are uniformly sprayed on two sides of the wet paper sheet;
in the tenth step, the paper sprayed in the ninth step is conveyed to a drying part, and the paper is dried to standard moisture by blowing hot air, wherein the temperature of the drying part is 75-90 ℃, and the pressure of the air supply is 3.90-4.88kPa until the whole moisture is uniform, and the longitudinal moisture is continuous and stable;
in the eleventh step, the paper dried in the tenth step is conveyed to a calender for surface calendering;
in the twelfth step, the paper calendered in the eleventh step is rolled into paper rolls with uniform size through a winder;
in the third step, the paper roll completed in the twelfth step is loaded on a single-sided corrugating machine, the single-sided corrugating machine is a non-paste fork type external vacuum absorption single-sided machine, the corrugated base paper is heated to the temperature of 160-180 ℃ to be pressed into corrugations, and then the corrugations and the liner paper are bonded by using 20 parts of polyvinyl alcohol to manufacture corrugated paper;
in the fourteenth step, the corrugated paper made in the thirteenth step is conveyed to a computer thin knife splitting machine, and the corrugated paper is split into boards with uniform sizes;
and fifthly, packing the corrugated paper cut in the fourteenth step and then putting the corrugated paper into a warehouse for storage.
Example 3:
the formula of the high-strength anti-breaking corrugated paper comprises: the composite board comprises a straw pulp board, a chemical wood pulp board, polyvinyl alcohol, cationic surface sizing starch, an anticorrosive bactericide, a water repellent agent and a reinforcing agent, wherein the weight parts of the components are as follows: 80-100 parts of straw pulp board, 30-40 parts of chemical wood pulp board, 10-20 parts of polyvinyl alcohol, 10-15 parts of cationic surface sizing starch, 5-10 parts of anticorrosive bactericide, 1-5 parts of water repellent agent and 1-5 parts of reinforcing agent, wherein the anticorrosive bactericide is cetyl trimethyl ammonium bromide, the water repellent agent is melamine formaldehyde resin, and the reinforcing agent is polyacrylamide.
A processing technology of high-strength anti-breaking corrugated paper comprises the following steps of firstly, weighing ingredients; step two, crushing the pulp board; step three, defibering; step four, removing slag from the slurry; screening the slurry; step six, pulp flow treatment; step seven, dewatering to form paper; step eight, squeezing the wet paper; step nine, surface coating; step ten, drying the wet paper; step eleven, calendering the paper; step twelve, paper is reeled; thirteen, pressing and corrugating the base paper; step fourteen, cutting by a thin cutter; step fifteen, packaging and warehousing;
in the first step, respectively weighing 90 parts of straw pulp board, 35 parts of chemical wood pulp board, 20 parts of polyvinyl alcohol, 12 parts of cationic surface sizing starch, 8 parts of antiseptic bactericide, 3 parts of water repellent agent and 3 parts of reinforcing agent according to the weight parts of the components;
in the second step, 90 parts of the straw pulp board and 35 parts of the chemical wood pulp board weighed in the first step are placed into a pulper for crushing, the pulper is a drum pulper, the crushing time is 10-20min, the rotating speed is 500-700r/min, and water is continuously added in the crushing process to dilute the pulp until the concentration of the pulp reaches 14-18%;
wherein in the third step, the concentration of the slurry crushed in the second step is diluted to 2.5-3.5% by adding water, then the diluted slurry is put into a defiberizing machine for defiberizing and separating fibers, the rotating speed of the defiberizing machine is 2800-3000r/min, and water is continuously added for dilution in the working process until the concentration reaches 1.5-2.0%;
in the fourth step, the slurry after the defibering and decomposing in the third step is pumped into a conical slag remover to remove impurities in the slurry;
in the fifth step, the pulp from which the slag is removed in the fourth step is pumped into a pressure sieve for screening, and the residue pulp is removed to obtain good pulp with better physical properties;
in the sixth step, the good pulp obtained after screening in the fifth step is pumped into a head box, the head box is an air cushion type double-homogenizing roller head box, the working speed is 150-220r/min, at the moment, 8 parts of antiseptic bactericide and 12 parts of cationic surface sizing starch are added into the pulp, and the head box uniformly and stably distributes pulp along the full width of the cross web of the paper machine;
in the seventh step, the pulp uniformly distributed in the sixth step is conveyed into a net part through a roller, and a wet paper sheet is formed under the action of gravity, vacuum suction and a scraper, wherein the net part is a fourdrinier former, the rotating speed of a roller of the net part is 80-100r/min, and the vacuum degree of a vacuum chamber of the fourdrinier former is 55-75 kPa;
in the eighth step, the wet paper sheet manufactured in the seventh step is conveyed to a groove press roll, the rotating speed of the groove press roll is 250-300r/min, and water is further removed through pressing;
in the ninth step, the wet paper sheet in the eighth step is transported to a coating machine, and 3 parts of water repellent agent and 3 parts of reinforcing agent are uniformly sprayed on two sides of the wet paper sheet;
in the tenth step, the paper sprayed in the ninth step is conveyed to a drying part, and the paper is dried to standard moisture by blowing hot air, wherein the temperature of the drying part is 75-90 ℃, and the pressure of the air supply is 3.90-4.88kPa until the whole moisture is uniform, and the longitudinal moisture is continuous and stable;
in the eleventh step, the paper dried in the tenth step is conveyed to a calender for surface calendering;
in the twelfth step, the paper calendered in the eleventh step is rolled into paper rolls with uniform size through a winder;
in the third step, the paper roll completed in the twelfth step is loaded on a single-sided corrugating machine, the single-sided corrugating machine is a non-paste fork type external vacuum absorption single-sided machine, the corrugated base paper is heated to the temperature of 160-180 ℃ to be pressed into corrugations, and then the corrugations and the liner paper are bonded by using 20 parts of polyvinyl alcohol to manufacture corrugated paper;
in the fourteenth step, the corrugated paper made in the thirteenth step is conveyed to a computer thin knife splitting machine, and the corrugated paper is split into boards with uniform sizes;
and fifthly, packing the corrugated paper cut in the fourteenth step and then putting the corrugated paper into a warehouse for storage.
The corrugated paper obtained in the above examples was compared and the data obtained are as follows:
compared with the prior art, the invention has the following beneficial effects: according to the corrugated paper board, after the pulp board is crushed by the pulper, the fiber of the pulp is further separated and decomposed by the fiber decomposition and separation machine, so that the cellulose content in the pulp is improved, the strength of the corrugated paper is increased, the loss of the cellulose is greatly reduced, the cost is greatly reduced, the cationic surface sizing starch and the anticorrosive bactericide are added into the pulp box, the cellulose in the pulp is favorably bonded, the cellulose content in sewage is reduced, the pollution of the discharged sewage to the environment is greatly reduced, the anticorrosive bactericide is favorably improved in the anticorrosive antibacterial capacity of the corrugated paper, and meanwhile, the melamine formaldehyde resin and the polyacrylamide are coated on the surface of the corrugated paper, so that the strength of the corrugated paper board is improved while the waterproof capacity is improved, and the quality of the corrugated paper is greatly improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The formula of the high-strength anti-breaking corrugated paper comprises: straw pulp board, chemical wood pulp board, polyvinyl alcohol, cation surface sizing starch, anticorrosive bactericide, water repellent agent and reinforcing agent, its characterized in that: the weight parts of the components are respectively as follows: 80-100 parts of straw pulp board, 30-40 parts of chemical wood pulp board, 10-20 parts of polyvinyl alcohol, 10-15 parts of cationic surface sizing starch, 5-10 parts of antiseptic bactericide, 1-5 parts of water repellent agent and 1-5 parts of reinforcing agent.
2. A processing technology of high-strength anti-breaking corrugated paper comprises the following steps of firstly, weighing ingredients; step two, crushing the pulp board; step three, defibering; step four, removing slag from the slurry; screening the slurry; step six, pulp flow treatment; step seven, dewatering to form paper; step eight, squeezing the wet paper; step nine, surface coating; step ten, drying the wet paper; step eleven, calendering the paper; step twelve, paper is reeled; thirteen, pressing and corrugating the base paper; step fourteen, cutting by a thin cutter; step fifteen, packaging and warehousing; the method is characterized in that:
in the first step, 80-100 parts of straw pulp board, 30-40 parts of chemical wood pulp board, 10-20 parts of polyvinyl alcohol, 10-15 parts of cationic surface sizing starch, 5-10 parts of antiseptic bactericide, 1-5 parts of water repellent agent and 1-5 parts of reinforcing agent are respectively weighed according to the weight parts of the components;
in the second step, 80-100 parts of the straw pulp board and 30-40 parts of the chemical wood pulp board weighed in the first step are placed into a pulper to be crushed, and water is continuously added to dilute the pulp in the crushing process until the concentration of the pulp reaches 14-18%;
in the third step, adding water to dilute the pulp slurry crushed in the second step to 2.5-3.5%, then putting the diluted pulp slurry into a defibering and defibering machine to defiber and separate fibers, and continuously adding water to dilute the pulp slurry in the working process until the concentration reaches 1.5-2.0%;
in the fourth step, the slurry after the defibering and decomposing in the third step is pumped into a conical slag remover to remove impurities in the slurry;
in the fifth step, the pulp from which the slag is removed in the fourth step is pumped into a pressure sieve for screening, and the residue pulp is removed to obtain good pulp with better physical properties;
in the sixth step, the good pulp obtained after screening in the fifth step is pumped into a pulp flow box, at the moment, 5-10 parts of antiseptic bactericide and 10-15 parts of cationic surface sizing starch are added into the pulp liquid, and the pulp flow box uniformly and stably distributes pulp along the full width of the cross web of the paper machine;
in the seventh step, the slurry uniformly distributed in the sixth step is conveyed into a net part through a roller, and a wet paper sheet is formed under the action of gravity, vacuum suction and a scraper;
in the eighth step, the wet paper sheet manufactured in the seventh step is conveyed to a groove press roll, and water is further removed through pressing;
in the ninth step, the wet paper sheet in the eighth step is transported to a coating machine, and 1-5 parts of water repellent agent and 1-5 parts of reinforcing agent are uniformly sprayed on two sides of the wet paper sheet;
in the tenth step, the paper sprayed in the ninth step is conveyed to a drying part, and the paper is dried to standard moisture by blowing hot air until the whole moisture is uniform and the longitudinal moisture is continuous and stable;
in the eleventh step, the paper dried in the tenth step is conveyed to a calender for surface calendering;
in the twelfth step, the paper calendered in the eleventh step is rolled into paper rolls with uniform size through a winder;
in the third step, the paper roll finished in the twelfth step is put on a single-sided corrugating machine, the corrugated base paper is heated to 160-;
in the fourteenth step, the corrugated paper made in the thirteenth step is conveyed to a computer thin knife splitting machine, and the corrugated paper is split into boards with uniform sizes;
and fifthly, packing the corrugated paper cut in the fourteenth step and then putting the corrugated paper into a warehouse for storage.
3. A high strength, breakage resistant corrugated paper as set forth in claim 1 wherein: the antiseptic bactericide is cetyl trimethyl ammonium bromide, the water repellent agent is melamine formaldehyde resin, and the reinforcing agent is polyacrylamide.
4. The process for processing the corrugated paper with high strength and breakage resistance as claimed in claim 2, wherein the process comprises the following steps: in the second step, the pulper is a drum pulper, the crushing time is 10-20min, and the rotating speed is 500-700 r/min.
5. The process for processing the corrugated paper with high strength and breakage resistance as claimed in claim 2, wherein the process comprises the following steps: in the third step, the rotating speed of the fiber separating fluffer is 2800-.
6. The process for processing the corrugated paper with high strength and breakage resistance as claimed in claim 2, wherein the process comprises the following steps: in the sixth step, the head box is an air cushion type double-homogenate-roller head box, and the working speed is 150-.
7. The process for processing the corrugated paper with high strength and breakage resistance as claimed in claim 2, wherein the process comprises the following steps: in the seventh step, the wire part is a fourdrinier former, the rotating speed of the roller of the wire part is 80-100r/min, and the vacuum degree of a vacuum chamber of the fourdrinier former is 55-70 kPa.
8. The process for processing the corrugated paper with high strength and breakage resistance as claimed in claim 2, wherein the process comprises the following steps: in the step eight, the rotating speed of the corrugated press roll is 250-300 r/min.
9. The process for processing the corrugated paper with high strength and breakage resistance as claimed in claim 2, wherein the process comprises the following steps: in the step ten, the temperature of the drying part is 75-90 ℃, and the pressure of the air supply is 3.90-4.88 kPa.
10. The process for processing the corrugated paper with high strength and breakage resistance as claimed in claim 2, wherein the process comprises the following steps: in the thirteen step, the single-sided corrugating machine is a non-paste fork type external suction vacuum single-sided machine.
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